42640006202 has 16 divisors (see below), whose sum is σ = 64865859432. Its totient is φ = 21018320640.

The previous prime is 42640006159. The next prime is 42640006219. The reversal of 42640006202 is 20260004624.

It can be written as a sum of positive squares in 4 ways, for example, as 42452069521 + 187936681 = 206039^2 + 13709^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258518 + ... + 390014.

Almost surely, 2^42640006202 is an apocalyptic number.

42640006202 is a deficient number, since it is larger than the sum of its proper divisors (22225853230).

42640006202 is a wasteful number, since it uses less digits than its factorization.

42640006202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133793.

The product of its (nonzero) digits is 4608, while the sum is 26.

The spelling of 42640006202 in words is "forty-two billion, six hundred forty million, six thousand, two hundred two".